21 lines
507 B
Go
21 lines
507 B
Go
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package forecast
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func DifferenceAtLeast(previous float64, current float64, threshold float64) bool {
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return abs(current-previous) >= threshold
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}
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func CrossesAtOrAbove(previous float64, current float64, threshold float64) bool {
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return previous < threshold && current >= threshold
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}
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func CrossesBelow(previous float64, current float64, threshold float64) bool {
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return previous >= threshold && current < threshold
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}
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func abs(value float64) float64 {
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if value < 0 {
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return -value
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}
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return value
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}
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